CN203617836U - Brake assembly of mute tubular motor - Google Patents
Brake assembly of mute tubular motor Download PDFInfo
- Publication number
- CN203617836U CN203617836U CN201320794696.0U CN201320794696U CN203617836U CN 203617836 U CN203617836 U CN 203617836U CN 201320794696 U CN201320794696 U CN 201320794696U CN 203617836 U CN203617836 U CN 203617836U
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- CN
- China
- Prior art keywords
- brake
- tubular motor
- spring
- electromagnet
- armature seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a brake assembly of a mute tubular motor, wherein the brake assembly is mounted at the tail of the tubular motor. The brake assembly comprises a brake disk, a brake sheet, a mounting base, an armature seat, a spring, an electromagnet and a brake sleeve, wherein the brake sleeve is engaged with teeth of a housing of the tubular motor, the brake disk is fixed on a rotating shaft of the tubular motor, the brake sheet surrounds the brake disk, the spring is mounted in a spring groove in the center of the electromagnet, the mounting base is engaged with teeth of the inner wall of the brake sleeve, one side of the armature seat makes contact with the spring, and the spring maintains a thrust against the armature seat; the center of the armature seat includes a sliding shaft, and the sliding shaft penetrates through a positioning hole of the mounting base; and multiple groups of splay-shaped inclined shafts are arranged on the armature seat, and the inclined shafts respectively penetrate through kidney-shaped holes in the mounting base, and extend into inclined holes in the brake sheet. The brake assembly is simple in structure and easy to process, a control circuit attracts the armature seat via the electromagnet, the inclined shafts further control opening and closing of the brake sheet, and thus, flexible braking of the tubular motor is realized. A friction disk of the brake assembly is worn in an integrated contact manner, and the friction degrees in different positions are the same, so that the braking effect is better, the service life of the brake assembly is longer, and noise is low.
Description
Technical field
The utility model relates to the accessory on a kind of tube shaped electric machine, especially a kind of brake assemblies of Silent tubular motor.
Background technology
Tube shaped electric machine is used on rolling screen door and roll-up window in a large number as power source, and brake assemblies is one of conventional accessory of tube shaped electric machine.It controls the start and stop of tube shaped electric machine, and can the motor of high speed rotating be slowed down and be locked.
Existing tubular motor brake assembly mostly adopts the mode of the direct adhesive brake block of electromagnet, described in patent No. CN200820169167.0 " mute tubular motor brake " and patent No. CN201320033325.0 " brake gear of direct-current tubular motor ", comprise an electromagnet and an armature, on armature, be provided with frictional layer, coordinate with the brake disc being arranged in rotating shaft, it,, producing frictional force by contact-making surface direct friction, makes decelerating through motor and locking.In the time of electromagnet no power, brake assemblies makes brake disc separate with armature seat by spring, realizes brake and discharges., there is the deficiency of the following aspects in the brake of this structure:
1, the outer rim of brake disc because velocity of rotation is fast serious wear, and core is because velocity of rotation is slower, the degree of wear is less, long-term use with causing frictional layer to form the globoidal structure of a central uplift, reduced effective rubbing surface, discontinuity everywhere, causes braking effect bad, and easily produce vibrations, send noise.
2, for enough frictional force is provided, the brake disc being connected with the rotating shaft of motor must be larger.This certainly will increase again the inertia of machine shaft, starts slowly, and braking time is long, and in the time of high speed rotating, can make tube shaped electric machine produce vibrations and noise.
3, because the long-time use of brake disc can produce wearing and tearing, make up the gap between brake disc and armature although spring can extend, like this, the thrust that acts on armature of spring will change, and then affect the frictional force while brake, braking time is changed.
4, due to present tube shaped electric machine, be particularly arranged on the tube shaped electric machine on indoor roller shutter, very high to quiet requirement, therefore need to replace conventional ball bearing with the lower oiliness bearing of noise.But oiliness bearing is very high to matching requirements, in the axial direction can not bearing thrust, because of fricative gap between brake disc and armature, can affect the useful life of oiliness bearing, cause oiliness bearing poor fit.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of installation simple, highly sensitive, the brake assemblies of the Silent tubular motor of life-span length.
The technical scheme in the invention for solving the above technical problem is: a kind of brake assemblies of Silent tubular motor, be arranged on the afterbody of tube shaped electric machine, it comprises brake disc, brake block, holder, armature seat, spring, electromagnet and brake cover, brake cover engages with the shell tooth of tube shaped electric machine, brake disc is fixed in the rotating shaft of tube shaped electric machine, brake block is trapped among brake disc periphery, spring fitting is in the spring groove at electromagnet center, holder engages with parietal tooth in brake cover, it is characterized in that: a side and the spring contact of described armature seat, spring remains thrust to armature seat, there is sliding axle at armature Zuo center, and sliding axle is through the location hole of holder, on armature seat, be provided with many group splayed inclined shafts, inclined shaft, through the waist-shaped hole on holder, stretches in the inclined hole on brake block.
Described brake block is 2.
The central shaft angle of described inclined shaft and tube shaped electric machine is 14 degree.
The central shaft angle of described inclined hole and tube shaped electric machine is 14 degree.
On the outer wall of described brake disc, be provided with frictional layer, the material of frictional layer is abrasive rubber.
The outer setting of described brake cover has spline groove.
Described electromagnet is connected with bridge heap, and is piled with control circuit and connected by bridge.
Compared with prior art, the utility model has the advantage of: simple in structure, be easy to processing, control circuit is by electromagnetic actuation armature seat, further controlling brake block by inclined shaft opens and tightens, realize the brake to tube shaped electric machine, brake disc on machine shaft is less than common brake size, and inertia is less, brakes sensitive.
In this structure, frictional layer is the wearing and tearing of outer rim contact, and stressed evenly friction level is identical everywhere, so braking effect is good, and brake assemblies longer service life, noise is low.Because the tube shaped electric machine that adopts this brake assemblies does not produce movement in the axial direction, therefore tube shaped electric machine can use oiliness bearing, the noise while further reducing tube shaped electric machine work.
Accompanying drawing explanation
The use state diagram of Fig. 1, brake assemblies.
The explosive view of Fig. 2, brake assemblies.
Fig. 3, brake assemblies use state cutaway view.
Fig. 4, brake locking view.
Fig. 5, brake release condition schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As shown in Figure 1, motor 9 adopts coaxial two-direction export structure, and brake assemblies is arranged on the afterbody of motor 9, and decelerator assembly 10 and power output are arranged on the head of motor 9.
Brake assemblies is made up of brake disc 1, brake block 2, holder 3, armature seat 4, spring 5, electromagnet 6, bridge heap 7 and brake cover 8, and as shown in Figures 2 and 3, brake cover 8 engages with the shell tooth of tube shaped electric machine 9, and other assemblies are arranged on the inside of brake cover.The outer setting of brake cover 8 has spline groove.
On holder 3, have 4 waist-shaped holes 32, there is location hole 31 centre.
There is sliding axle at armature Zuo center, and the periphery of sliding axle is provided with 4 inclined shafts, and inclined shaft is divided into two groups of splayeds, and the central shaft angle of inclined shaft and tube shaped electric machine is between 0-30 degree, preferably 14 degree.
When installation, the coil of electromagnet 6 is loaded onto to bridge heap 7, pack in brake cover 8, then pack successively spring 5, armature seat 4, holder 3 into.The sliding axle 41 at armature seat center is penetrated in the location hole 31 of holder 3, inclined shaft 41 is through the inclined hole 21 on waist-shaped hole 32 and brake block.
Finally will in the rotating shaft of motor, brake disc be installed, and brake cover 8 is fixedly connected with the shell of motor 9.
Operating state as shown in Figure 4, Figure 5, mounted brake assemblies.Armature seat 4 is subject to the thrust of spring 5 to left movement, and brake block 2, near brake disc 1, is in contact with one another frictional layer, and brake assemblies becomes locking state.
When control circuit is piled to electromagnet and switched on by bridge, electromagnet produces magnetic force, this magnetic force is greater than the elastic force of spring, electromagnetic actuation armature seat, because armature seat and brake block are that inclined shaft coordinates with inclined hole, and brake block can not side-to-side movement, can only move along the radial direction of motor, thereby brake block 3 will separate with brake cover 1, brake assemblies discharges, motor 9 normal rotation.
Claims (7)
1. the brake assemblies of a Silent tubular motor, be arranged on the afterbody of tube shaped electric machine, it comprises brake disc (1), brake block (2), holder (3), armature seat (4), spring (5), electromagnet (6) and brake cover (8), brake cover (8) engages with the shell tooth of tube shaped electric machine (9), brake disc (1) is fixed in the rotating shaft of tube shaped electric machine, brake block (2) is trapped among the periphery of brake disc (1), and electromagnet is arranged in brake cover; Spring (5) is arranged in the spring eye at electromagnet center, and holder (3) engages with the interior parietal tooth of brake cover (8), it is characterized in that: a side of armature seat (4) contacts with spring (5), and spring remains thrust to armature seat; There is sliding axle (41) at armature Zuo center, and sliding axle is through the location hole (31) of holder (3); On armature seat, be provided with the splay inclined shaft of many groups (42), inclined shaft, through the waist-shaped hole (32) on holder, stretches in the inclined hole (21) on brake block.
2. the brake assemblies of Silent tubular motor according to claim 1, is characterized in that: the quantity of described brake block (2) is 2.
3. the brake assemblies of Silent tubular motor according to claim 1, is characterized in that: described inclined shaft (42) is 14 degree with the central shaft angle of tube shaped electric machine.
4. the brake assemblies of Silent tubular motor according to claim 1, is characterized in that: described inclined hole (21) is 14 degree with the central shaft angle of tube shaped electric machine.
5. the brake assemblies of Silent tubular motor according to claim 1, is characterized in that: on the outer wall of described and brake disc (1), be provided with frictional layer, the material of frictional layer is abrasive rubber.
6. the brake assemblies of Silent tubular motor according to claim 1, is characterized in that: the outer setting of described brake cover (8) has spline groove.
7. the brake assemblies of Silent tubular motor according to claim 1, is characterized in that: described electromagnet (6) is connected with bridge heap (7), and is piled with control circuit and connected by bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794696.0U CN203617836U (en) | 2013-12-06 | 2013-12-06 | Brake assembly of mute tubular motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794696.0U CN203617836U (en) | 2013-12-06 | 2013-12-06 | Brake assembly of mute tubular motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617836U true CN203617836U (en) | 2014-05-28 |
Family
ID=50770457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320794696.0U Withdrawn - After Issue CN203617836U (en) | 2013-12-06 | 2013-12-06 | Brake assembly of mute tubular motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618409A (en) * | 2013-12-06 | 2014-03-05 | 宁波市海誉机电科技有限公司 | Brake assembly of mute tubular motor |
-
2013
- 2013-12-06 CN CN201320794696.0U patent/CN203617836U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618409A (en) * | 2013-12-06 | 2014-03-05 | 宁波市海誉机电科技有限公司 | Brake assembly of mute tubular motor |
| CN103618409B (en) * | 2013-12-06 | 2016-03-09 | 宁波市海誉机电科技有限公司 | The brake assemblies of Silent tubular motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |